Urgent: Why is 'What is My Location?' geolocation API failing on specific browsers?

Hey everyone, I'm absolutely tearing my hair out over an issue with our web tool, 'What is My Location? - Find Your Current Coordinates & Map'. We recently pushed out some minor UI tweaks and performance optimizations, nothing that should have touched the core location logic, but ever since then, we've been getting a flood of support tickets about our geolocation API failing for a subset of users. It's truly baffling and incredibly frustrating.

The core problem is that the browser's native geolocation API is inconsistently failing, specifically on certain browser versions. We're seeing reports from users on slightly older Chrome builds (like v90-95), some specific Firefox releases, and even a few Edge users. They're trying to find their current location, which is the entire point of the tool, and it's just not working for them. This isn't a global outage; it's a very specific, intermittent, and browser-dependent breakdown that's completely stymieing our users.

The symptoms are all over the place, which makes it even harder to diagnose. Some users report immediate "Permission Denied" errors, even after explicitly granting location access. Others get indefinite timeouts, where the spinner just keeps spinning without ever resolving. We've even had reports of wildly incorrect coordinates being returned, placing users hundreds or thousands of miles away from their actual spot, or simply no response at all from the API. The inconsistency is what's killing us; it works perfectly for the majority, but for these specific groups, it's a complete showstopper, and it seems to be tied to their specific browser environment rather than their network or device.

We've tried everything we can think of. We've double-checked browser permissions, ensuring our prompts are clear and that users are indeed granting access. I've spent hours poring over JavaScript console logs, looking for any specific errors or warnings related to the Geolocation API calls, but often it's just a generic timeout or permission error without much actionable detail. We've confirmed our site is served entirely over HTTPS, which is a prerequisite for geolocation. We've tested on various networks – Wi-Fi, cellular, different ISPs – thinking it might be a network-specific block, but the issue persists for these browser types regardless of their connection. We even examined our server-side logs to see if our IP-based location fallback mechanism was being triggered more often or failing, but those logs look normal for the most part, indicating the browser-side API is the primary culprit here, or at least the first point of failure. It feels like we're just chasing ghosts at this point.

I'm desperate for any insights into common geolocation API pitfalls, especially browser-specific quirks that might have changed recently without a major version bump. Could this be related to some obscure browser flag or a subtle change in how `navigator.geolocation` handles permissions or accuracy requests in older versions? Are there potential service worker issues that could be interfering with location services, perhaps caching something incorrectly or blocking requests? I'm open to any advanced debugging techniques for location services that might help us pinpoint the exact point of failure within these problematic browser environments. We've looked at everything from feature policies to content security policies, but nothing seems out of place.

We urgently need to restore reliable functionality for all users. If anyone has faced similar inconsistent geolocation failures or has any immediate solutions or workarounds, please, please share. This is severely impacting user experience and our reputation. Thanks in advance for any help you can offer!